(19)

(11)

EP 0 231 327 A1

(12)

(43) Date of publication: 12.08.1987 Bulletin 1987/33 (21) Application number: 86904907.0 (22) Date of filing: 24.07.1986

(51) International Patent Classification (IPC):  B07B 4/ 02( . ) B07B 7/ 12( . ) B07B 9/ 02( . ) B07B 7/ 06( . ) B07B 9/ 00( . ) (86) International application number: PCT/HU1986/000045 (87) International publication number: WO 1987/000454 (29.01.1987 Gazette 1987/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 24.07.1985 HU 19850002808 (71) Applicant: MAGYAR ALUMINIUMIPARI TRÖSZT H-1133 Budapest (HU)	(72) Inventors: CSILLAG, Zsolt H-1125 Budapest (HU) ZSEMBERY, László H-1025 Budapest (HU) KALMAN, Tibor H-1015 Budapest (HU) SZENTGYÖRGYI, Géza H-1015 Budapest (HU) SOLYMAR, Károly H-1125 Budapest (HU) LEGAT, Tibor H-1119 Budapest (HU) (74) Representative: Harrison, Ivor Stanley, et al  Withers & Rogers 4 Dyer's Buildings Holborn London EC1N 2JT London EC1N 2JT (GB)